Home / 891,818.30-1,231,731.42-587,256.32

Finding the Fourth Proportional to 891,818.30, 1,231,731.42 and 587,256.32

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Solution

The fourth proportional to 891,818.30, 1,231,731.42 and 587,256.32 is: 811,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,818.30 : 1,231,731.42 = 587,256.32 : x
  2. Step 2: Convert to fraction form
    891,818.30/1,231,731.42 = 587,256.32/x
  3. Step 3: Cross multiply
    891,818.30x = 1,231,731.42 × 587,256.32
  4. Step 4: Simplify right side
    891,818.30x = 723,342,060,937.57
  5. Step 5: Solve for x
    x = 723,342,060,937.57/891,818.30
  6. Step 6: Final answer
    x = 811,086.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.